Gabriel's Square Same as Hi Q's Pythagoras , which is made by Tryne Games Mfg.; Lindenhurst, L.I.; 1961 , and also by TOLTOYS 1976.

Something's Fishy . . . a packing puzzle made in Hong Kong .

4 Ts . . . from Binary Arts . There are two sides to this puzzle . The other being slightly smaller in square area . The T puzzle was used to advertise White Rose Ceylon tea in 1903 .

Boxed In (made by Milton Bradley)

IQ Circle

A plastic tangram with its own case .

Double Square . . . from Aha Brainteaser Classics (Thinkfun people at Binary Arts) This puzzle is a two-parter . First, this one using 4 pieces (3" square) . The next picture shows the same puzzle using a fifth piece (a miniature square) making the second large square ( 3 1/4" square ) . One source for this puzzle can be viewed at education.puzzles.com